256783176

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4860

約数の個数: 128

約数和(自身を含む): 808752000

約数和(自身を除く): 551968824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 104, 108, 114, 117, 152, 156, 171, 216, 228, 234, 247, 312, 342, 351, 456, 468, 494, 513, 684, 702, 741, 936, 988, 1026, 1368, 1404, 1482, 1976, 2052, 2223, 2808, 2964, 4104, 4446, 4813, 5928, 6669, 8892, 9626, 13338, 14439, 17784, 19252, 26676, 28878, 38504, 43317, 53352, 57756, 62569, 86634, 91447, 115512, 125138, 129951, 173268, 182894, 187707, 250276, 259902, 274341, 346536, 365788, 375414, 500552, 519804, 548682, 563121, 731576, 750828, 823023, 1039608, 1097364, 1126242, 1188811, 1501656, 1646046, 1689363, 2194728, 2252484, 2377622, 2469069, 3292092, 3378726, 3566433, 4504968, 4755244, 4938138, 6584184, 6757452, 7132866, 9510488, 9876276, 10699299, 13514904, 14265732, 19752552, 21398598, 28531464, 32097897, 42797196, 64195794, 85594392, 128391588, 256783176]

約数ペア:

[(1, 256783176), (2, 128391588), (3, 85594392), (4, 64195794), (6, 42797196), (8, 32097897), (9, 28531464), (12, 21398598), (13, 19752552), (18, 14265732), (19, 13514904), (24, 10699299), (26, 9876276), (27, 9510488), (36, 7132866), (38, 6757452), (39, 6584184), (52, 4938138), (54, 4755244), (57, 4504968), (72, 3566433), (76, 3378726), (78, 3292092), (104, 2469069), (108, 2377622), (114, 2252484), (117, 2194728), (152, 1689363), (156, 1646046), (171, 1501656), (216, 1188811), (228, 1126242), (234, 1097364), (247, 1039608), (312, 823023), (342, 750828), (351, 731576), (456, 563121), (468, 548682), (494, 519804), (513, 500552), (684, 375414), (702, 365788), (741, 346536), (936, 274341), (988, 259902), (1026, 250276), (1368, 187707), (1404, 182894), (1482, 173268), (1976, 129951), (2052, 125138), (2223, 115512), (2808, 91447), (2964, 86634), (4104, 62569), (4446, 57756), (4813, 53352), (5928, 43317), (6669, 38504), (8892, 28878), (9626, 26676), (13338, 19252), (14439, 17784)]